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DSR701 surface mount door straightener is a Sugatsune America post-production solution designed to fix warped doors by running the full height of the door, so the panel can be drawn back into plane after hanging. The silver-finish DSR701-2200/S-10 model installs on the back of the door, keeping correction hardware out of sight from the front while still accessible for adjustment. Its 70-7/8 inch to 86-5/8 inch length range covers tall passage doors within that span, giving you a single part to handle common door heights. Because it is classified as passage door hardware, it integrates into typical interior door installations where alignment matters for smooth operation. This straightener is designed specifically for door correction, so it focuses on adjustment, length range, and mounting options that support real-job alignment needs.
The Sugatsune DSR701-2200/S-10 straightener can be partially recessed or surface mounted on the back of doors, so installers can choose an approach that matches the door thickness and surrounding clearances while still meeting the minimum 16 mm door thickness requirement. This door straightener provides plus or minus 10 mm adjustment from the top of the door using an M4 Allen key, which lets the installer dial in the amount of correction by tensioning the bar after the door is hung. Because adjustment is made from the top, the correction can be applied while the door remains on its hinges, supporting fine tuning during final hardware alignment. Its silver finish and defined length range between 70-7/8 inch and 86-5/8 inch support predictable layout and trimming decisions on site.
This DSR701 surface mount door straightener is designed for use as passage door hardware, so it fits interior situations where warped or bowed doors interfere with smooth swinging or latch engagement. The straightener must run the complete height of the door, which means it is suited to doors between 70-7/8 inch and 86-5/8 inch in length so the bar can span from near the top edge to near the bottom. With a minimum door thickness of 16 mm, or 9/16 inch, this straightener can be applied to relatively thin doors, allowing correction on lighter interior slabs as well as standard doors within that thickness. Because it mounts on the back of the door, the front presentation of the door remains unchanged while correction happens on the concealed face. The silver finish keeps the visible hardware on the back looking consistent with other light-finish components in the opening.
The DSR701-2200/S-10 model offers plus or minus 10 mm of adjustment from the top of the door with an M4 Allen key, so installers can tension the straightener incrementally to bring a warped door back into line without over-correcting. This top-access adjustment supports quick changes after the door is swung and hardware is installed, which is useful when checking clearance to jambs and flooring. The straightener can be cut from the bottom by up to 400 mm, enabling the bar to be shortened for doors slightly under the maximum length while preserving the top adjustment mechanism. During installation, it can be partially recessed or surface mounted on the back of the door, and the manufacturer specifies M4 (U.S. #8) flathead wood countersunk screws for partially recessed mounting or wood panhead screws for surface mounting, so the fastener heads match the mounting style and seating. These installation details work together to support a repeatable, predictable method for straightening doors in the field.
The Sugatsune DSR701-2200/S-10 is specified for doors between 70-7/8 inch and 86-5/8 inch long, so it can run the complete height and provide continuous straightening across the door.
The DSR701 straightener can be partially recessed or surface mounted to the back of the door, giving flexibility to balance clearance needs with installation preferences on the concealed face.
The DSR701 straightener provides plus or minus 10 mm adjustment from the top of the door using an M4 Allen key, allowing the installer to tension the bar to correct warp.
The Sugatsune DSR701 surface mount door straightener requires a minimum door thickness of 16 mm, or 9/16 inch, so it is suitable for relatively thin interior doors.
The DSR701-2200/S-10 can be cut from the bottom by up to 400 mm, letting installers trim the bar to suit doors slightly shorter than its maximum length.
The Sugatsune DSR701 straightener is mounted to the back of the door and must run the complete height, providing hidden correction while keeping the front face unchanged.
The Sugatsune DSR701 surface mount door straightener in silver gives installers a defined solution for correcting warped doors between 70-7/8 inch and 86-5/8 inch long, working with minimum 16 mm thick doors. Its plus or minus 10 mm top adjustment using an M4 Allen key lets you tune the door after hanging, while the option to partially recess or surface mount on the back of the door adapts to different site conditions. With the ability to cut up to 400 mm from the bottom, this DSR701-2200/S-10 model aligns well with varying door heights inside that range, supporting consistent passage door performance across a project.
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